2013's most popular play: The jet sweep/inside zone

The jet sweep/inside zone became commonplace despite a team's offensive scheme because it (1) allows a team's speed guy to attack the edge of the defense, often with plenty of green grass around him, (2) slows defensive backs' reads if they become overly aggressive in run support, (3) can take advantage of a strong run blocking offensive line, and (4) has built in constraints when a defense begins to slow down the initial jet sweep...